We have migration working partially - it works through Horizon (to a random host) and sometimes through the CLI.
We are using the nova fork by Josh Durgin https://github.com/jdurgin/nova/commits/havana-ephemeral-rbd - are there more patches that need to be integrated? cheers jc -- SWITCH Jens-Christian Fischer, Peta Solutions Werdstrasse 2, P.O. Box, 8021 Zurich, Switzerland phone +41 44 268 15 15, direct +41 44 268 15 71 jens-christian.fisc...@switch.ch http://www.switch.ch http://www.switch.ch/socialmedia On 14.11.2013, at 13:18, Haomai Wang <haomaiw...@gmail.com> wrote: > Yes, we still need a patch to make live-migration work. > > > On Thu, Nov 14, 2013 at 8:12 PM, Matt Thompson <watering...@gmail.com> wrote: > Hi Dinu, > > Initial tests for me using Ubuntu's 2013.2-0ubuntu1~cloud0 indicate that live > migrations do not work when using libvirt_images_type=rbd ("Live migration > can not be used without shared storage.") I'll need to dig through LP to see > if this has since been addressed. > > On a side note, live migrations now appear to work for me when booting > instances from a cinder volume. > > -Matt > > > On Tue, Nov 12, 2013 at 11:44 PM, Dinu Vlad <dinuvla...@gmail.com> wrote: > Out of curiosity - can you live-migrate instances with this setup? > > > > On Nov 12, 2013, at 10:38 PM, Dmitry Borodaenko <dborodae...@mirantis.com> > wrote: > > > And to answer my own question, I was missing a meaningful error > > message: what the ObjectNotFound exception I got from librados didn't > > tell me was that I didn't have the images keyring file in /etc/ceph/ > > on my compute node. After 'ceph auth get-or-create client.images > > > /etc/ceph/ceph.client.images.keyring' and reverting images caps back > > to original state, it all works! > > > > On Tue, Nov 12, 2013 at 12:19 PM, Dmitry Borodaenko > > <dborodae...@mirantis.com> wrote: > >> I can get ephemeral storage for Nova to work with RBD backend, but I > >> don't understand why it only works with the admin cephx user? With a > >> different user starting a VM fails, even if I set its caps to 'allow > >> *'. > >> > >> Here's what I have in nova.conf: > >> libvirt_images_type=rbd > >> libvirt_images_rbd_pool=images > >> rbd_secret_uuid=fd9a11cc-6995-10d7-feb4-d338d73a4399 > >> rbd_user=images > >> > >> The secret UUID is defined following the same steps as for Cinder and > >> Glance: > >> http://ceph.com/docs/master/rbd/libvirt/ > >> > >> BTW rbd_user option doesn't seem to be documented anywhere, is that a > >> documentation bug? > >> > >> And here's what 'ceph auth list' tells me about my cephx users: > >> > >> client.admin > >> key: AQCoSX1SmIo0AxAAnz3NffHCMZxyvpz65vgRDg== > >> caps: [mds] allow > >> caps: [mon] allow * > >> caps: [osd] allow * > >> client.images > >> key: AQC1hYJS0LQhDhAAn51jxI2XhMaLDSmssKjK+g== > >> caps: [mds] allow > >> caps: [mon] allow * > >> caps: [osd] allow * > >> client.volumes > >> key: AQALSn1ScKruMhAAeSETeatPLxTOVdMIt10uRg== > >> caps: [mon] allow r > >> caps: [osd] allow class-read object_prefix rbd_children, allow > >> rwx pool=volumes, allow rx pool=images > >> > >> Setting rbd_user to images or volumes doesn't work. > >> > >> What am I missing? > >> > >> Thanks, > >> > >> -- > >> Dmitry Borodaenko > > > > > > > > -- > > Dmitry Borodaenko > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > -- > Best Regards, > > Wheat > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
_______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
